BUG: unable to handle page fault for address: ffffed102b9bf946
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 7ffd5067 P4D 7ffd5067 PUD 3fffa067 PMD 0 
Oops: Oops: 0000 [#1] SMP KASAN NOPTI
CPU: 1 UID: 0 PID: 81 Comm: kworker/u33:4 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Workqueue: events_unbound macvlan_process_broadcast
RIP: 0010:__tcp_hdrlen include/linux/tcp.h:31 [inline]
RIP: 0010:qdisc_pkt_len_segs_init+0x37e/0xb30 net/core/dev.c:4142
Code: 03 80 3c 02 00 0f 85 de 06 00 00 48 b8 00 00 00 00 00 fc ff df 44 89 e5 48 03 ab d8 00 00 00 48 8d 7d 0c 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 b5
RSP: 0018:ffffc90000590188 EFLAGS: 00010a03
RAX: dffffc0000000000 RBX: ffff88805160ec80 RCX: ffffffff8962daa0
RDX: 1ffff1102b9bf946 RSI: ffffffff8962dab2 RDI: ffff88815cdfca34
RBP: ffff88815cdfca28 R08: 0000000000000004 R09: 0000000000000008
R10: 000000000000000e R11: 000000000000750b R12: 00000000fffffff4
R13: ffff88805160eca8 R14: 0000000000000008 R15: ffff88805160ecf4
FS:  0000000000000000(0000) GS:ffff88809723b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed102b9bf946 CR3: 00000000705e6000 CR4: 0000000000352ef0
Call Trace:
 <IRQ>
 __dev_queue_xmit+0x270/0x4940 net/core/dev.c:4784
 dev_queue_xmit include/linux/netdevice.h:3436 [inline]
 br_dev_queue_push_xmit+0x361/0x530 net/bridge/br_forward.c:53
 NF_HOOK include/linux/netfilter.h:318 [inline]
 NF_HOOK include/linux/netfilter.h:312 [inline]
 br_forward_finish+0x102/0x4d0 net/bridge/br_forward.c:66
 NF_HOOK include/linux/netfilter.h:318 [inline]
 NF_HOOK include/linux/netfilter.h:312 [inline]
 __br_forward+0x6ba/0x970 net/bridge/br_forward.c:115
 deliver_clone net/bridge/br_forward.c:131 [inline]
 maybe_deliver+0xf0/0x180 net/bridge/br_forward.c:191
 br_flood+0x29b/0x7b0 net/bridge/br_forward.c:245
 br_handle_frame_finish+0x1014/0x1fa0 net/bridge/br_input.c:229
 nf_hook_bridge_pre net/bridge/br_input.c:313 [inline]
 br_handle_frame+0x97f/0x1540 net/bridge/br_input.c:442
 __netif_receive_skb_core.constprop.0+0x6c5/0x3530 net/core/dev.c:6093
 __netif_receive_skb_one_core+0xb0/0x1e0 net/core/dev.c:6204
 __netif_receive_skb+0x1f/0x120 net/core/dev.c:6319
 process_backlog+0x37a/0x1580 net/core/dev.c:6670
 __napi_poll.constprop.0+0xaf/0x450 net/core/dev.c:7729
 napi_poll net/core/dev.c:7792 [inline]
 net_rx_action+0xa40/0xf20 net/core/dev.c:7949
 handle_softirqs+0x1ea/0x9b0 kernel/softirq.c:622
 do_softirq kernel/softirq.c:523 [inline]
 do_softirq+0xac/0xe0 kernel/softirq.c:510
 </IRQ>
 <TASK>
 __local_bh_enable_ip+0xf8/0x120 kernel/softirq.c:450
 local_bh_enable include/linux/bottom_half.h:33 [inline]
 netif_rx net/core/dev.c:5779 [inline]
 netif_rx+0x93/0xb0 net/core/dev.c:5768
 macvlan_broadcast+0x37d/0x680 drivers/net/macvlan.c:292
 macvlan_multicast_rx drivers/net/macvlan.c:304 [inline]
 macvlan_multicast_rx+0xd8/0x100 drivers/net/macvlan.c:298
 macvlan_process_broadcast+0x3e4/0x690 drivers/net/macvlan.c:344
 process_one_work+0xa23/0x1940 kernel/workqueue.c:3322
 process_scheduled_works kernel/workqueue.c:3405 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3486
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
CR2: ffffed102b9bf946
---[ end trace 0000000000000000 ]---
RIP: 0010:__tcp_hdrlen include/linux/tcp.h:31 [inline]
RIP: 0010:qdisc_pkt_len_segs_init+0x37e/0xb30 net/core/dev.c:4142
Code: 03 80 3c 02 00 0f 85 de 06 00 00 48 b8 00 00 00 00 00 fc ff df 44 89 e5 48 03 ab d8 00 00 00 48 8d 7d 0c 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 b5
RSP: 0018:ffffc90000590188 EFLAGS: 00010a03
RAX: dffffc0000000000 RBX: ffff88805160ec80 RCX: ffffffff8962daa0
RDX: 1ffff1102b9bf946 RSI: ffffffff8962dab2 RDI: ffff88815cdfca34
RBP: ffff88815cdfca28 R08: 0000000000000004 R09: 0000000000000008
R10: 000000000000000e R11: 000000000000750b R12: 00000000fffffff4
R13: ffff88805160eca8 R14: 0000000000000008 R15: ffff88805160ecf4
FS:  0000000000000000(0000) GS:ffff88809723b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed102b9bf946 CR3: 00000000705e6000 CR4: 0000000000352ef0
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
   4:	0f 85 de 06 00 00    	jne    0x6e8
   a:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  11:	fc ff df
  14:	44 89 e5             	mov    %r12d,%ebp
  17:	48 03 ab d8 00 00 00 	add    0xd8(%rbx),%rbp
  1e:	48 8d 7d 0c          	lea    0xc(%rbp),%rdi
  22:	48 89 fa             	mov    %rdi,%rdx
  25:	48 c1 ea 03          	shr    $0x3,%rdx
* 29:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx <-- trapping instruction
  2d:	48 89 f8             	mov    %rdi,%rax
  30:	83 e0 07             	and    $0x7,%eax
  33:	83 c0 01             	add    $0x1,%eax
  36:	38 d0                	cmp    %dl,%al
  38:	7c 08                	jl     0x42
  3a:	84 d2                	test   %dl,%dl
  3c:	0f                   	.byte 0xf
  3d:	85                   	.byte 0x85
  3e:	b5                   	.byte 0xb5